The Sirio Plus portable ventilator is designed to meet all the needs of various medical sectors. The Sirio Plus portable ventilator provides lung ventilation in critical situations such as during transport especially in an emergency, during intensive care, during post operatory resuscitation and in any situation when ventilation support is necessary and required. The Sirio Plus portable ventilator comes with an integrated control system which ensures high tech and sure lung ventilation. To controls the efficiency of the electronic and pneumatic software and hardware devices, the ventilator comes with an automatic autotest safety system. The parameters that have to be measured are detected by the flow transducer, which is placed on the patient expiratory valve and then displayed on an integrated LCD monitor. The Sirio Plus portable ventilator can also be equipped with a range of accessories such as an additional battery pack.